548047869 has 4 divisors (see below), whose sum is σ = 730730496. Its totient is φ = 365365244.

The previous prime is 548047831. The next prime is 548047889. The reversal of 548047869 is 968740845.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-548047869 is a prime.

It is a super-2 number, since 2×548047869² = 600712933430882322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (548047889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91341309 + ... + 91341314.

It is an arithmetic number, because the mean of its divisors is an integer number (182682624).

Almost surely, 2^548047869 is an apocalyptic number.

It is an amenable number.

548047869 is a deficient number, since it is larger than the sum of its proper divisors (182682627).

548047869 is a wasteful number, since it uses less digits than its factorization.

548047869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182682626.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 548047869 is about 23410.4222302803. The cubic root of 548047869 is about 818.3507745499.

The spelling of 548047869 in words is "five hundred forty-eight million, forty-seven thousand, eight hundred sixty-nine".